
.di {
    position: fixed;
    bottom: 50px;
    width: 200px;
    height: 50px;
    background: #00f;
    color: #fff;
    border: none;
    margin-left:80px;
    // margin-top: 550px;
}
.ziokok{
    width: 100%;
    height: 200px;
}
.ziokok div{
    width: 80%;
    height: 50px;
    line-height: 50px;
    margin: 0 auto;
    background: #ccc;
    border-bottom: 1px solid #ccc;
    border-radius: 20px;
}